<template>
    <div>
        <van-nav-bar title="短信验证码登录" style="width: 100%;
         height: 20%;background-color: #999;" />
        <van-form @submit="onSubmit">
            <van-cell-group inset>
                <van-field v-model="username" name="username" label="用户名" placeholder="用户名"
                    :rules="[{ required: true, message: '请填写用户名' }]" />
                <van-field v-model="password" type="password" name="password" label="密码" placeholder="密码"
                    :rules="[{ required: true, message: '请填写密码' }]" />
                    
                    <van-field v-model="sms" center clearable label="短信验证码" placeholder="请输入短信验证码">
                        <template #button>
                             <van-button size="small" type="primary" @click="aaFun()" v-if="time==0">发送验证码</van-button>
                             <van-button size="small" type="primary" disabled v-else>倒计时{{ time }}秒</van-button>
                        </template>
                    </van-field>
              
            </van-cell-group>
            <div style="margin: 16px;">
                <van-button style="width: 100%;" type="primary" native-type="submit">登录</van-button>
            </div>
        </van-form>

    </div>
</template>

<script setup>
import { ref } from 'vue';
import { showToast } from 'vant';
import { loginApi } from '@/api/api';
import { useRoute, useRouter } from 'vue-router'
const router = useRouter()
const route = useRoute()
const username = ref('');
const password = ref('');
const onSubmit = (values) => {
    console.log('submit', values);
    loginApi(username.value, password.value).then(res => {
        if (res.data.code == 0) {
            showToast('登录成功');
            localStorage.setItem('token', res.data.data.token)
            router.push('/home/index')
        }
        else {
            showToast(res.data.msg);
        }
    })
};

let sms=ref('')
let time=ref(0)
const aaFun=()=>{
  sms.value=Math.random().toString(36).slice(2,8)
  time.value=10;

  let timer=setInterval(()=>{
        time.value--;
        if(time.value==0)
        {
            clearInterval(timer);
        }
  },1000)
}

</script>

<style lang="scss" scoped></style>